Yep, that has brought back the drop downs.
Although it fixed this error, I definitely can't use Studio version as it has now gone back to my real slow ( actually this has made it slower! ) crawl operating of the interface problem that I have logged in on github and sent a video to the team about this.
Oh well, at least I know how to bring these drop downs back ( when they disappear ) once I have a robust studio version downloaded.
Thanks for your help 'blinkOK'
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